Party · Healthcare Services

Quest Diagnostics Incorporated

Federal civil lawsuits naming Quest Diagnostics Incorporated, a Healthcare Services company.

Ticker: NYSE: DGX
Business: Services-Medical Laboratories
Headquarters: Secaucus, NJ
Incorporated in: Delaware
SEC CIK: 1022079

Quest Diagnostics Incorporated is a public company in Services-Medical Laboratories, based in Secaucus, NJ (traded on NYSE as DGX, incorporated in Delaware). It appears in 292 federal civil lawsuits in this index, most often as a defendant (266 of 292). These cases are most often Civil Rights and Labor matters, filed between 1996 and 2025, most frequently in District Court, D. New Jersey. Frequent opposing parties include Quest Diagnostics Inc, Quest Diagnostics, and Quest Diagnostics Clinical Laboratories, Inc.

292

Lawsuits

266

As Defendant

As Plaintiff

Open

276

Terminated

1996–2025

Span

9 mo

Median Duration

9.7 cases/yrPredominantly defendant · 91%Civil Rights-heavy · 43%Activity declining

Cases by State

AK · 2

Open Cases Over Time

1996peak 30 open2025

Case Types Over Time

19962025

Civil RightsLaborContractPersonal Property / FraudFederal Tax / Statutory Actions

Filings by Year

19962025

Case Types filter →

Civil Rights126

Labor48

Contract41

Personal Property / Fraud33

Federal Tax / Statutory Actions15

RICO / Consumer / Other Statutes12

Where Filed filter →

Frequent Opposing Parties

Filtered Civil Rights Clear

126 Cases — Newest First

Wolff v. Quest Diagnostics Incorporated

Civil Rights Open District Court, E.D. New YorkNo. 2:25-cv-02429Filed 05/01/2025
Wolff v. Quest Diagnostics Incorporated

Civil Rights Open District Court, E.D. New YorkNo. 1:25-cv-02429Filed 05/01/2025
Jones v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, S.D. AlabamaNo. 1:23-cv-00433Filed 11/15/2023
Peoples v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 6:23-cv-00724Filed 04/20/2023
Edwards v. Quest Diagnostics

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:22-cv-05052Filed 12/22/2022
Harris v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:21-cv-05291Filed 12/27/2021
Suggs v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, D. New JerseyNo. 2:21-cv-14540Filed 08/03/2021
Leveridge v. Quest Diagnostics Inc

Civil Rights Terminated District Court, S.D. TexasNo. 4:21-cv-02030Filed 06/21/2021
McGee v. Quest Diagnostics

Civil Rights Terminated District Court, W.D. MissouriNo. 4:20-cv-00884Filed 11/04/2020
Equal Employment Opportunity Commission v. Quest Diagnostics Inc

Civil Rights Terminated District Court, N.D. TexasNo. 3:20-cv-02939Filed 09/23/2020
Rivera v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 8:20-cv-02102Filed 09/08/2020
Gates v. Quest Diagnostics

Civil Rights Terminated District Court, D. KansasNo. 2:20-cv-02096Filed 03/02/2020
Bowen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. FloridaNo. 0:19-cv-62664Filed 10/24/2019
Skorcz v. Quest Diagnostics Clinical Laboratories Inc

Civil Rights Terminated District Court, E.D. ArkansasNo. 5:19-cv-00285Filed 09/06/2019
Duncan-Knuckles v. Quest Diagnostics Lab

Civil Rights Terminated District Court, S.D. IndianaNo. 1:19-cv-02553Filed 06/24/2019
Thomas v. Quest Diagnostics, Inc

Civil Rights Terminated District Court, D. New JerseyNo. 1:19-cv-00430Filed 01/11/2019
Tyburski v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, W.D. VirginiaNo. 7:18-cv-00631Filed 12/18/2018
Mendez v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. New YorkNo. 1:18-cv-07731Filed 08/24/2018
Simon v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 6:18-cv-01078Filed 07/05/2018
Bookhart v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, E.D. PennsylvaniaNo. 2:18-cv-02331Filed 06/04/2018
Corbett v. Quest Diagnostics Lab Inc

Civil Rights Terminated District Court, D. ConnecticutNo. 3:18-cv-00690Filed 04/20/2018
Bentley v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:17-cv-04733Filed 11/24/2017
Anderson v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, S.D. AlabamaNo. 1:17-cv-00463Filed 10/18/2017
Adegbola v. Quest Diagnostics, Inc

Civil Rights Terminated District Court, E.D. PennsylvaniaNo. 2:17-cv-02918Filed 06/12/2017
White v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, D. KansasNo. 2:17-cv-02342Filed 06/12/2017
Alff v. Quest Diagnostics LLC

Civil Rights Terminated District Court, D. ConnecticutNo. 3:17-cv-00262Filed 02/16/2017
Toledo v. Quest Diagnostics LLC

Civil Rights Terminated District Court, D. ConnecticutNo. 3:17-cv-00106Filed 01/25/2017
Herron v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, D. KansasNo. 2:16-cv-02646Filed 09/23/2016
Sullivan v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:16-cv-03015Filed 08/18/2016
Castillo v. Quest Diagnostics, Inc

Civil Rights Terminated District Court, N.D. IllinoisNo. 1:16-cv-07771Filed 08/01/2016
Validum v. Examone/Quest Diagnostics

Civil Rights Terminated District Court, S.D. New YorkNo. 1:15-cv-09868Filed 12/17/2015
Gomez v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. FloridaNo. 1:15-cv-22821Filed 07/29/2015
Freeman v. Quest Diagnostics, Inc

Civil Rights Terminated District Court, W.D. PennsylvaniaNo. 2:15-cv-00932Filed 07/17/2015
Francois v. Quest Diagnostics Laboratories

Civil Rights Terminated District Court, N.D. GeorgiaNo. 1:15-cv-02241Filed 06/22/2015
Rollins v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, E.D. New YorkNo. 2:15-cv-01966Filed 04/09/2015
MacEwen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, M.D. FloridaNo. 8:14-cv-02066Filed 08/25/2014
Palmieri v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, E.D. New YorkNo. 1:14-cv-04374Filed 07/18/2014
Fowler-Tebyasa v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, E.D. MissouriNo. 4:14-cv-01106Filed 06/17/2014
Hansen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, D. NevadaNo. 2:14-cv-00442Filed 03/25/2014
Quest Diagnostics Incorporated v. Myriad Genetics, Inc

Civil Rights Terminated District Court, D. UtahNo. 2:14-cv-00152Filed 03/03/2014
Unglesbee v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, D. MarylandNo. 1:14-cv-00584Filed 02/27/2014
Cadett v. Quest Diagnostics LLC

Civil Rights Terminated District Court, D. ConnecticutNo. 3:13-cv-01732Filed 11/20/2013
Jones v. Ameripath-Indiana/Quest Diagnostics

Civil Rights Terminated District Court, S.D. IndianaNo. 1:13-cv-01719Filed 10/25/2013
Weir v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, S.D. FloridaNo. 0:13-cv-61772Filed 08/15/2013
Pinckney v. Quest Diagnostics

Civil Rights Terminated District Court, D. New JerseyNo. 2:13-cv-00566Filed 01/25/2013
Woods v. Ameripath/Quest Diagnostics

Civil Rights Terminated District Court, N.D. TexasNo. 3:13-cv-00290Filed 01/23/2013
Cole v. Quest Diagnostics

Civil Rights Terminated District Court, D. KansasNo. 2:13-cv-02017Filed 01/08/2013
Davison-Gill v. Quest Diagnostics Company

Civil Rights Terminated District Court, W.D. MissouriNo. 4:12-cv-01138Filed 09/05/2012
May v. Quest Diagnostics Clinical Laboratories, Inc

Civil Rights Terminated District Court, W.D. WashingtonNo. 3:12-cv-05734Filed 08/17/2012
James-Shippen v. Quest Diagnostics Incorporated

Civil Rights Terminated District Court, E.D. PennsylvaniaNo. 2:12-cv-04590Filed 08/13/2012

Showing 1–50 of 126